diff --git a/.env.example b/.env.example
index 8d1583b..c888b72 100644
--- a/.env.example
+++ b/.env.example
@@ -4,10 +4,10 @@
 # ============================================
 
 # 后端镜像地址（阿里云容器镜像服务个人版）
-BACKEND_IMAGE=crpi-c807itn6exy37e7d.cn-hangzhou.personal.cr.aliyuncs.com/idc-assest/idc-backend:latest
+BACKEND_IMAGE=crpi-c807itn6exy37e7d.cn-hangzhou.personal.cr.aliyuncs.com/idc-assest/idc-backend:v2.1.0
 
 # 前端镜像地址（阿里云容器镜像服务个人版）
-FRONTEND_IMAGE=crpi-c807itn6exy37e7d.cn-hangzhou.personal.cr.aliyuncs.com/idc-assest/idc-frontend:latest
+FRONTEND_IMAGE=crpi-c807itn6exy37e7d.cn-hangzhou.personal.cr.aliyuncs.com/idc-assest/idc-frontend:v2.1.0
 
 # 指定特定版本（可选，默认 latest）
 # BACKEND_VERSION=v1.0.0
diff --git a/docker-compose.prod.yml b/docker-compose.prod.yml
index a848e87..9ee8826 100644
--- a/docker-compose.prod.yml
+++ b/docker-compose.prod.yml
@@ -9,8 +9,8 @@ services:
   # ---------- 后端服务 ----------
   backend:
     # 从阿里云容器镜像服务（个人版）拉取
-    # 实际镜像地址: crpi-c807itn6exy37e7d.cn-hangzhou.personal.cr.aliyuncs.com/idc-assest/idc-backend:latest
-    image: ${BACKEND_IMAGE:-crpi-c807itn6exy37e7d.cn-hangzhou.personal.cr.aliyuncs.com/idc-assest/idc-backend:latest}
+    # 实际镜像地址: crpi-c807itn6exy37e7d.cn-hangzhou.personal.cr.aliyuncs.com/idc-assest/idc-backend:v2.1.0
+    image: ${BACKEND_IMAGE:-crpi-c807itn6exy37e7d.cn-hangzhou.personal.cr.aliyuncs.com/idc-assest/idc-backend:v2.1.0}
     container_name: idc-backend
     volumes:
       # 配置映射（核心）